CN114334695A - Device for testing bending test of flexible thin film solar cell - Google Patents
Device for testing bending test of flexible thin film solar cell Download PDFInfo
- Publication number
- CN114334695A CN114334695A CN202111644919.0A CN202111644919A CN114334695A CN 114334695 A CN114334695 A CN 114334695A CN 202111644919 A CN202111644919 A CN 202111644919A CN 114334695 A CN114334695 A CN 114334695A
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- solar cell
- thin film
- film solar
- flexible thin
- support rod
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- 239000010409 thin film Substances 0.000 title claims abstract description 57
- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 238000005452 bending Methods 0.000 title claims abstract description 41
- 239000010408 film Substances 0.000 claims abstract description 62
- 239000000853 adhesive Substances 0.000 claims abstract description 12
- 230000001070 adhesive effect Effects 0.000 claims abstract description 12
- 239000003292 glue Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 229920002120 photoresistant polymer Polymers 0.000 claims description 3
- 239000007767 bonding agent Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 3
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Images
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a device for testing a flexible thin film solar cell bending test, which belongs to the technical field of flexible solar cells and comprises: two parallel linear guide rails; the fixed support rods are fixed on the two linear guide rails; a sliding support rod arranged on the two linear guide rails; a power mechanism driving the sliding support rod to move along the two linear guide rails; a flexible film carrying platform for carrying the flexible film solar cell; the flexible film bearing platform is respectively fixedly connected with the sliding support rod and the fixed support rod; the upper surface of the flexible film bearing platform is provided with a temporary adhesive. The flexible film solar cell bending test device fixes the flexible film solar cell through the guide rail and the flexible film bearing platform, and pushes the flexible film bearing platform to reciprocate accurately through the stepping motor, so that the bending test of the flexible film solar cell is realized. The preparation method disclosed by the invention is simple in preparation process and low in cost, is more matched with the actual working condition of the flexible thin film solar cell when a bending test is carried out, and can be used for more accurately checking the bending characteristic of the flexible thin film solar cell.
Description
Technical Field
The invention belongs to the technical field of flexible solar cells, and particularly relates to a device for testing a bending test of a flexible thin film solar cell.
Background
There is an urgent need for flexible solar cells, whether for aerospace insights, military weaponry, or in the civilian market. Compared with a rigid solar cell, the flexible solar cell has the advantages of cheap substrate material, abundant substrate material, light weight, high weight specific power, flexibility, good surface coverage and the like.
In order to ensure the reliability of the flexible thin film battery product, the bending characteristics of the flexible thin film battery product need to be checked, and the battery is ensured to have no damage in appearance and no obvious degradation in electrical performance after being bent for multiple times. The flexible thin film battery bending characteristic examination is generally carried out by fixing the battery on a bending test device. The existing bending test device is bent through three or four stress points, and is not in accordance with the actual working condition of the flexible thin film battery, and has many defects, such as damage to the edge of the flexible thin film solar battery caused by a clamping device, large minimum bending radius obtained by testing, non-accordance with the actual stress condition and the like. Therefore, a bending test device similar to the actual working condition of the flexible thin film solar cell needs to be designed.
The invention aims to develop a device for testing the bending test of a flexible thin film solar cell, which has the advantages of simple preparation process and lower cost, is more matched with the actual working condition of the flexible thin film solar cell when the bending test is carried out, and can more accurately check the bending characteristic of the flexible thin film solar cell.
Disclosure of Invention
The invention provides a device for testing the bending test of a flexible thin film solar cell, which aims to solve the technical problems in the prior art.
The invention aims to provide a device for testing a bending test of a flexible thin film solar cell, which at least comprises:
two parallel linear guide rails;
a fixed support rod (205) fixed on the two linear guide rails;
a sliding support rod (204) arranged on the two linear guide rails;
the power mechanism drives the sliding support rod (204) to move along the two linear guide rails;
a flexible thin film carrier platform (102) carrying a flexible thin film solar cell; wherein:
the flexible film bearing platform (102) is respectively fixedly connected with the sliding support rod (204) and the fixed support rod (205); a temporary adhesive (302) is arranged on the upper surface of the flexible film bearing platform (102).
Preferably, the sliding support rod (204) and the fixing support rod (205) are respectively provided with a fixing clamp (303), and the flexible film bearing platform (102) is respectively connected with the sliding support rod (204) and the fixing support rod (205) through the fixing clamp (303).
Preferably, the power mechanism comprises a ball screw (202) and a stepping motor for driving the ball screw (202) to act; the ball screw (202) is parallel to the two linear guide rails, and the sliding support rod (204) is installed on the ball screw (202).
Preferably, the ball screw (202) is located at the middle position of the two linear guide rails.
Preferably, the material of the flexible film bearing platform (102) is one of PI, metal film, plastic and flexible glass.
Preferably, the flexible film carrier platform (102) has a thickness of 10 to 100 microns.
Preferably, the length of the flexible film bearing platform (102) is 2-3 times of the length of the flexible film solar cell, and the width of the flexible film bearing platform (102) is larger than that of the flexible film solar cell.
Preferably, the temporary bonding agent (302) is one of organic glue, inorganic glue, paraffin and photoresist.
The invention has the advantages and positive effects that:
(1) according to the invention, the flexible thin film solar cell is driven by the linear motion mechanism to perform the bending test, compared with the traditional manual mode, the automation can be realized, the bending radius can be accurately controlled, and the equal stress of each bending test is ensured;
(2) the flexible thin film solar cell is fixed on the flexible thin film bearing platform through a temporary adhesive, so that the edge of the thin film is prevented from being damaged by the clamping device;
(3) the length of the flexible film bearing platform is 2-3 times of that of the flexible film solar cell, so that the phenomenon that the stress condition of the cell is inconsistent with the actual working condition due to the fact that redundant external force is directly applied to the flexible film solar cell is avoided;
(4) the single support shaft drives one end of the battery to move to realize bending, and the bending is easier to control than the double support shafts drive the two ends of the battery to move, so that the test state of each bending motion can be repeated.
Drawings
FIG. 1 is a front view of a preferred embodiment of the present invention;
FIG. 2 is a top view of a preferred embodiment of the present invention;
FIG. 3 is a schematic diagram of the use of the preferred embodiment of the present invention;
wherein: 101. a linear motion mechanism; 102. a flexible film bearing platform; 201. a right linear guide rail; 202. a ball screw; 203. a left linear guide rail; 204. a sliding support rod; 205. fixing the supporting rod; 301. a flexible thin film solar cell; 302. a temporary adhesive; 303. and (5) fixing the clamp.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
referring to fig. 1 to 3 of the drawings,
a device for testing a bending test of a flexible thin film solar cell comprises:
two parallel linear guides, a right linear guide 201 and a left linear guide 203 in the figure;
a fixed support rod 205 fixed on the two linear guide rails;
a sliding support bar 204 arranged on the two linear guide rails;
a power mechanism driving the sliding support rod 204 to move along the two linear guide rails; in the preferred embodiment, the power mechanism includes a ball screw 202 and a stepping motor for driving the ball screw 202 to move; the ball screw 202 is parallel to the two linear guide rails, the sliding support rod 204 is mounted on the ball screw 202, and when the ball screw 202 rotates, the sliding support rod 204 is driven to move linearly; in order to realize stress balance, the ball screw 202 is positioned in the middle of the two linear guide rails; the stepping motor and the speed reducer form a linear motion mechanism 101; the stepping motor is connected with the ball screw 202 through a speed reducer;
a flexible film carrier platform 102 for carrying the flexible film solar cell 301; wherein:
the flexible film bearing platform 102 is respectively fixedly connected with the sliding support rod 204 and the fixed support rod 205; a temporary adhesive 302 is disposed on the upper surface of the flexible film carrier platform 102.
In order to realize the convenient and fast disassembling process, the sliding support rod 204 and the fixing support rod 205 are respectively provided with a fixing clamp 303, and the flexible film bearing platform 102 is respectively connected with the sliding support rod 204 and the fixing support rod 205 through the fixing clamp 303.
The technical scheme mainly comprises a linear motion mechanism, a main body frame and a flexible film bearing platform;
the flexible film solar cell to be tested is fixed on the flexible film bearing platform through a temporary adhesive, and the flexible film bearing platform is fixed on the linear motion mechanism through a clamp. The flexible thin film solar cell is driven to bend and flatten by the linear reciprocating motion of the linear motion mechanism, so that the aim of automatically carrying out the bending test is fulfilled; wherein:
the linear motion mechanism 101 comprises a stepping motor and a speed reducer;
the main body frame comprises a linear guide rail, a sliding support rod and a fixed support rod;
the linear motion mechanism 101 drives the sliding support rod to move through the ball screw.
Two ends of the fixed supporting rod are fixedly connected with the linear guide rail and fixed at one end of the linear guide rail. The two ends of the sliding support rod are matched with the other end of the linear guide rail and can slide back and forth in the guide rail. The sliding support rod is connected with the stepping motor through the ball screw and the speed reducer in sequence. One end of the ball screw is connected with an output shaft of the speed reducer, and the other end of the ball screw is connected with the sliding support rod. The stepping motor drives the sliding support rod to reciprocate in the linear guide rail through the ball screw;
the stepping motor can accurately control the stepping distance, and the moving distance of the stepping motor for pushing the sliding support rod is directly related to the bending radius of the flexible thin film solar cell;
the flexible film bearing platform is connected with the flexible film solar cell through a temporary adhesive; the flexible film bearing platform is connected with the sliding support rod and the fixed support rod through the fixed clamp;
the flexible film solar cell is fixed on the flexible film bearing platform through a temporary adhesive, one end of the flexible film bearing platform is fixed on the sliding support rod through a fixing clamp, the other end of the flexible film bearing platform is fixed on the fixing support rod, the flexible film solar cell is bent and flattened through the reciprocating motion of the sliding support rod in the linear guide rail, the bending characteristic test is realized, and the bending axis of the flexible film solar cell is parallel to the sliding support rod during the test;
the flexible film bearing platform is made of materials including but not limited to PI, metal films, plastics, flexible glass and the like; it has a thickness of 10 to 100 microns; the parallel edge of the flexible film bearing platform and the sliding support rod is a wide edge, the parallel edge of the flexible film bearing platform and the sliding support rod is a long edge, the length of the long edge is 2-3 times of the length of the flexible film solar cell, and the width of the wide edge is larger than the width of the flexible film solar cell;
referring to fig. 3, the flexible thin film solar cell is fixed on the surface of the flexible thin film bearing platform by the temporary adhesive;
the flexible film bearing platform is made of materials including but not limited to PI, metal films, plastics, glass and the like; it has a thickness of 10 to 100 microns; the length of the long side of the flexible thin film solar cell is 2-3 times of the length of the flexible thin film solar cell, and the width of the wide side of the flexible thin film solar cell is larger than the width of the flexible thin film solar cell;
the temporary adhesive comprises but is not limited to organic glue, inorganic glue, paraffin, photoresist and the like and is used for fixing the flexible thin film solar cell on the flexible thin film bearing platform;
fix flexible film load-bearing platform on slip branch and fixed stay through mounting fixture, specifically do: fixing one end of a flexible film bearing platform on a sliding support rod, and fixing one end of the flexible film bearing platform on a fixed support rod;
referring to fig. 2, both ends of the fixed support rod are connected to the linear guide and fixed to one end of the linear guide. The two ends of the sliding support rod are matched with the other end of the linear guide rail, and the sliding support rod can slide back and forth in the guide rail. One end of the ball screw is connected with the output end of the power mechanism, and the other end of the ball screw is connected with the sliding support rod. The stepping motor drives the sliding support rod to reciprocate in the linear guide rail through the ball screw;
the stepping motor can accurately control the stepping distance, and the moving distance of the sliding support rod pushed by the stepping motor is directly related to the bending radius of the flexible thin film solar cell;
referring to fig. 1, the linear motion mechanism is used for realizing automatic linear reciprocating motion with controllable motion distance precision. The flexible film bearing platform is used for bearing the flexible film solar cell, two ends of the flexible film bearing platform are fixed on the linear motion mechanism through a fixing clamp, and the flexible film bearing platform is bent in a mode that one end of the flexible film bearing platform is fixed and the other end of the flexible film bearing platform linearly reciprocates, so that the flexible film solar cell on the platform is driven to bend;
after the bending test is finished, the temporary adhesive is removed through the cleaning agent, the flexible thin film solar cell is taken down from the flexible thin film bearing platform, the appearance and the parameters of the flexible thin film solar cell are measured, and the bending characteristic of the flexible thin film solar cell is checked.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a device is used in test of flexible thin film solar cell bending test which characterized in that includes at least:
two parallel linear guide rails;
a fixed support rod (205) fixed on the two linear guide rails;
a sliding support rod (204) arranged on the two linear guide rails;
the power mechanism drives the sliding support rod (204) to move along the two linear guide rails;
a flexible thin film carrier platform (102) carrying a flexible thin film solar cell; wherein:
the flexible film bearing platform (102) is respectively fixedly connected with the sliding support rod (204) and the fixed support rod (205); a temporary adhesive (302) is arranged on the upper surface of the flexible film bearing platform (102).
2. The device for testing the bending test of the flexible thin film solar cell according to claim 1, wherein the sliding support rod (204) and the fixing support rod (205) are respectively provided with a fixing clamp (303), and the flexible thin film bearing platform (102) is respectively connected with the sliding support rod (204) and the fixing support rod (205) through the fixing clamp (303).
3. The device for testing the bending test of the flexible thin-film solar cell according to claim 2, wherein the power mechanism comprises a ball screw (202) and a stepping motor for driving the ball screw (202) to move; the ball screw (202) is parallel to the two linear guide rails, and the sliding support rod (204) is installed on the ball screw (202).
4. The device for testing the bending test of the flexible thin film solar cell according to claim 3, wherein the ball screw (202) is located at a middle position of the two linear guide rails.
5. The device for testing the bending test of the flexible thin film solar cell according to claim 1, wherein the flexible thin film carrier platform (102) is made of one of PI, metal film, plastic and flexible glass.
6. The flexible thin film solar cell bending test apparatus according to claim 1, wherein the thickness of the flexible thin film carrier platform (102) is 10 to 100 μm.
7. The device for testing the bending test of the flexible thin film solar cell according to claim 1, wherein the length of the flexible thin film bearing platform (102) is 2-3 times of the length of the flexible thin film solar cell, and the width of the flexible thin film bearing platform (102) is greater than the width of the flexible thin film solar cell.
8. The device for testing the bending test of the flexible thin film solar cell according to claim 1, wherein the temporary bonding agent (302) is one of organic glue, inorganic glue, paraffin and photoresist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111644919.0A CN114334695A (en) | 2021-12-30 | 2021-12-30 | Device for testing bending test of flexible thin film solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111644919.0A CN114334695A (en) | 2021-12-30 | 2021-12-30 | Device for testing bending test of flexible thin film solar cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114334695A true CN114334695A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111644919.0A Pending CN114334695A (en) | 2021-12-30 | 2021-12-30 | Device for testing bending test of flexible thin film solar cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115782015A (en) * | 2022-12-31 | 2023-03-14 | 浙江斯玛特信息科技有限公司 | Flexible transparent LED display film based on graphene, and preparation process and device thereof |
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2021
- 2021-12-30 CN CN202111644919.0A patent/CN114334695A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115782015A (en) * | 2022-12-31 | 2023-03-14 | 浙江斯玛特信息科技有限公司 | Flexible transparent LED display film based on graphene, and preparation process and device thereof |
| CN115782015B (en) * | 2022-12-31 | 2023-07-07 | 浙江斯玛特信息科技有限公司 | Flexible transparent LED display film based on graphene, preparation process and device |
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